Function sort_priority3

example_code/item_033.py:112–123

(numbers, group)

print("Example 7")
def sort_priority3(numbers, group):
    found = False

    def helper(x):
        nonlocal found  # Added
        if x in group:
            found = True
            return (0, x)
        return (1, x)

    numbers.sort(key=helper)
    return found


print("Example 8")